#include <stdio.h>
#include <string.h>

#define NUM_PLANETS 9

int main(int argc, char *argv[]) {
  char *planets[] = {"Mercury", "Venus",  "Earth",   "Mars", "Jupiter",
                     "Saturn",  "Uranus", "Neptune", "Pluto"};
  int i, j;
  for (i = 1; i < argc; i++) {
    for (j = 0; j < NUM_PLANETS; j++) {
      if (strcmp(argv[i], planets[j]) == 0) {
        printf("%s is planet %d\n", argv[i], j + 1);
        break;
      }
    }

    if (j == NUM_PLANETS)
      printf("%s is not a planet\n", argv[i]);
  }

  return 0;
}

// test: .\chapter13\courser\planet.exe Jupiter venus Earth fred